If you look at old newspaper clippings, aging paper documents and books that are past their prime, you’ll notice that they likely have a yellow tinge. But why do old paper products turn this golden hue?
The post Why Do Book Pages Turn Yellow Over Time? appeared first on Scout SEO- Melbourne Internet Marketing.
from Innovation and Digital Marketing https://www.livescience.com/63635-why-paper-turns-yellow.html?utm_source=rss&utm_medium=rss
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